4KMOV (mjpeg) - 1351.7 MB
과학자는 실험실에서 컴퓨터에서 작업
Medical scientist in lab. Woman scientist analyzing liquid sample. Lab worker bring test tube rack in medical lab. Lab worker help woman scientist. Chemist working in pharmaceutical laboratory
Pharmaceutical researcher in lab. Woman scientist mixing liquid in test tube. Lab technician conducting pharmaceutical research. Close up of pharmaceutical scientist working with liquid in flask
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